html,body{
    width: 100%;
    height: 100%
}
.mui-scroll-wrapper{
    top: 0px;
    bottom: 0px;
  
}
.my-content{
    position: absolute;
    top: 44px;
    bottom: 50px;
    width: 100%;
    background-color: #f5f5f5;
    
}
.cate-list{
    width: 80px;
    float: left;
    position: relative;
    height: 100%;
}
.cate-left{
    width: 80px;
    background-color: #ccc;
    float: left;
}
.cate-right{
    float: left;
    margin-left: 90px;

}